Yet this is in the mail this morning World's fastest bird is making a British comeback: Peregrine falcon numbers are on the up as the bird of prey learns to nest in cities and hunt urban pigeon Breeding numbers of peregrine falcons, which can dive at a speed faster than 200mph, have hit a record high, with particularly large increases in England. http://www.dailymail.co.uk/news/article-5466089/Peregrine-falcon-numbers-record-high-British-towns.html?ito=email_share_article-top